Neco 2025 Physics Question 21

Practice objective / multiple choice question 21 from the 2025 Neco Physics examination.

Neco 2025 Physics Objective / Multiple Choice Medium Difficulty

Question 21 NECO • 2025 • PHYSICS • objective

A 1.0 kg metal block is initially at \(200^{\circ}\text{C}\). It is placed into an insulated container that holds \(0.4\ \text{kg}\) of water at \(25^{\circ}\text{C}\) and \(0.3\ \text{kg}\) of ice at \(0^{\circ}\text{C}\). After equilibrium the temperature of the system is \(10^{\circ}\text{C}\) and all the ice has melted. Given the specific heat capacity of water \(c_{w}=4.18\ \text{J g}^{-1}\text{K}^{-1}\) and the latent heat of fusion of ice \(L_{f}=334\ \text{J g}^{-1}\), determine the specific heat capacity of the metal in \(\text{J kg}^{-1}\text{K}^{-1}\).

A. 7.25×10^3 J·kg^{-1}·K^{-1}

B. 6.80×10^2 J·kg^{-1}·K^{-1}

C. 8.10×10^2 J·kg^{-1}·K^{-1}

Correct Answer D. 7.25×10^2 J·kg^{-1}·K^{-1}

Correct Answer

Correct Option:

7.25×10^2 J·kg^{-1}·K^{-1}

This is Neco 2025 Physics Question 21. It is one of the objective questions from the 2025 Neco Physics examination.

Difficulty level: Medium .

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support